Versatile Mage's Forbidden Book

In an inconspicuous town, an ordinary boy seemed to wake up. Everything was the same and everything was different. He suddenly discovered that the world had changed drastically. The origin of magic was written in high school textbooks, and university professors were flying to class? To resist monsters outside the borders, humans are no longer the masters of the world? Friendships are made through magic between countries, and everything is possible including earth, wind, water, and fire. Here, your imagination will become a reality. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.